Patent 8668599 was granted and assigned to Callaway Golf Company on March, 2014 by the United States Patent and Trademark Office.
A golf club iron having a head center of gravity that is low and forward enough to provide a better swing, good striking and swinging feel, and improved ball flight is disclosed. The iron has a recess in a leading edge region and a high density insert disposed within the recess to achieve the desired center of gravity location.